Annotation of embedaddon/sudo/plugins/sudoers/regress/parser/check_digest.c, revision 1.1.1.1
1.1 misho 1: /*
2: * Copyright (c) 2013 Todd C. Miller <Todd.Miller@courtesan.com>
3: *
4: * Permission to use, copy, modify, and distribute this software for any
5: * purpose with or without fee is hereby granted, provided that the above
6: * copyright notice and this permission notice appear in all copies.
7: *
8: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15: */
16:
17: #include <config.h>
18:
19: #include <stdio.h>
20: #ifdef STDC_HEADERS
21: # include <stdlib.h>
22: # include <stddef.h>
23: #else
24: # ifdef HAVE_STDLIB_H
25: # include <stdlib.h>
26: # endif
27: #endif /* STDC_HEADERS */
28: #ifdef HAVE_STRING_H
29: # if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
30: # include <memory.h>
31: # endif
32: # include <string.h>
33: #endif /* HAVE_STRING_H */
34: #ifdef HAVE_STRINGS_H
35: # include <strings.h>
36: #endif /* HAVE_STRINGS_H */
37: #if defined(HAVE_STDINT_H)
38: # include <stdint.h>
39: #elif defined(HAVE_INTTYPES_H)
40: # include <inttypes.h>
41: #endif
42:
43: #include "missing.h"
44: #include "sha2.h"
45:
46: __dso_public int main(int argc, char *argv[]);
47:
48: static struct digest_function {
49: const char *digest_name;
50: const int digest_len;
51: void (*init)(SHA2_CTX *);
52: void (*update)(SHA2_CTX *, const unsigned char *, size_t);
53: void (*final)(unsigned char *, SHA2_CTX *);
54: } digest_functions[] = {
55: {
56: "SHA224",
57: SHA224_DIGEST_LENGTH,
58: SHA224Init,
59: SHA224Update,
60: SHA224Final
61: }, {
62: "SHA256",
63: SHA256_DIGEST_LENGTH,
64: SHA256Init,
65: SHA256Update,
66: SHA256Final
67: }, {
68: "SHA384",
69: SHA384_DIGEST_LENGTH,
70: SHA384Init,
71: SHA384Update,
72: SHA384Final
73: }, {
74: "SHA512",
75: SHA512_DIGEST_LENGTH,
76: SHA512Init,
77: SHA512Update,
78: SHA512Final
79: }, {
80: NULL
81: }
82: };
83:
84: int
85: main(int argc, char *argv[])
86: {
87: SHA2_CTX ctx;
88: int i, j;
89: struct digest_function *func;
90: unsigned char digest[SHA512_DIGEST_LENGTH];
91: static const char hex[] = "0123456789abcdef";
92: unsigned char buf[1000];
93: unsigned const char *test_strings[] = {
94: "",
95: "a",
96: "abc",
97: "message digest",
98: "abcdefghijklmnopqrstuvwxyz",
99: "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
100: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
101: "0123456789",
102: "12345678901234567890123456789012345678901234567890123456789"
103: "012345678901234567890",
104: };
105:
106: for (func = digest_functions; func->digest_name != NULL; func++) {
107: for (i = 0; i < 8; i++) {
108: func->init(&ctx);
109: func->update(&ctx, test_strings[i], strlen(test_strings[i]));
110: func->final(digest, &ctx);
111: printf("%s (\"%s\") = ", func->digest_name, test_strings[i]);
112: for (j = 0; j < func->digest_len; j++) {
113: putchar(hex[digest[j] >> 4]);
114: putchar(hex[digest[j] & 0x0f]);
115: }
116: putchar('\n');
117: }
118:
119: /* Simulate a string of a million 'a' characters. */
120: memset(buf, 'a', sizeof(buf));
121: func->init(&ctx);
122: for (i = 0; i < 1000; i++) {
123: func->update(&ctx, buf, sizeof(buf));
124: }
125: func->final(digest, &ctx);
126: printf("%s (one million 'a' characters) = ", func->digest_name);
127: for (j = 0; j < func->digest_len; j++) {
128: putchar(hex[digest[j] >> 4]);
129: putchar(hex[digest[j] & 0x0f]);
130: }
131: putchar('\n');
132: }
133: exit(0);
134: }
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